[cvsnt] Out of memory

Bo Berglund bo.berglund at telia.com
Tue Oct 4 06:42:15 BST 2005

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On Mon, 3 Oct 2005 16:43:16 -0600, "Lehman, Curtis"
<CLehman at carrieraccess.com> wrote:

>Do you have any suggestion on how to mitigate or fix this issue? I am
>worried my system will run into this eventually since we are revision
>controlling binary files (-kb) that change a lot. I was wondering if I could
>change the way CVS saved the file, maybe by switching to the -KB for delta
>binary's? Can I make this change on existing binary files and still retain
>the ability to pull early versions that were under the -kb option? 
>Any other suggestions on what we could do to prevent this from happening?

As far as I know there are just these few things you can do:

1) As you suggested change to binary deltas. I have never tried this
myself so I don't know all ramifications, but one is a complete break
with standard RCS file format so you cannot go back to a non-CVSNT
server on these repositories. I also do not think that this will
affect the existing data, only new additions to the file.
If the file changes a lot inside for your actions then binary deltas
might not even help...

2) Get a *lot* more RAM for your server

3) Use the cvs admin command to get rid of the non-relevant revisions
in the file. This is a *very* slow and painstaking process on big RCS
files and the server must be able to work with the file in the first

How big was the RCS file in your repository when you checked?
And how much physical RAM is the server equippped with?

(Bo Berglund, developer in Sweden)

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